2021年人教版数学七年级下册第九章不等式与不等式组单元测试(含答案).pdf

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1、人教版数学七年级下册第九章不等式与不等式组单元测试（含答案）一、单选题（共有9 道小题）1.一元一次不等式01x的解集在数轴上表示正确的是()2.不等式10 x的解集在数轴上表示正确的是（）3.不等式组120 xx的解集在数轴上表示为（）B112OA112OD121OC112OA-1C-1D1B1D112OC112OA112OB112O精品w o r d 可编辑资料-第 1 页，共 10 页-4.不等式组112x的解集，在数轴上表示正确的是()5.若关于x的不等式组的解表示在数轴上如图所示，则这个不等式组的解是（）A2x B1xC12x D12x6.实数 a，b，c 在数轴上对应的点如图所示，

2、则下列式子中正确的是（）AcbcaBcbcaCbcacD bcba7.不等式组3225123xxxx的最小整数解是（）A.-1 B.0 C.1 D.2 8.不等式组221xx的最小整数解为（）A.-1 B.0 C.1 D.2 1231DO1231COB1231OA1231O21xOabc精品w o r d 可编辑资料-第 2 页，共 10 页-文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS

3、9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D

4、1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS

5、9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D

6、1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS

7、9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D

8、1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L49.使不等式1

9、2x与378x同时成立的x 的整数值是（）A.3,4 B.4,5 C.3,4,5 D.不存在二、填空题（共有6 道小题）10.不等式240 x的解集是 _ 11.不等式组31 231xx的解集为 _三、计算题（共有2 道小题）16.解不等式组51,247.xxx121O精品w o r d 可编辑资料-第 3 页，共 10 页-文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6

10、 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8

11、I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6

12、 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8

13、I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6

14、 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8

15、I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L417.解不等式：634xx，并把

16、解集在数轴上表示出来。四、解答题（共有4 道小题）18.雅安地震后，政府为安置灾民，从某厂调拨了用于搭建板房的板材5600m2和铝材 2210m2，计划用这些材料在某安置点搭建甲、乙两种规格的板房共100 间。若搭建一间甲型板房或一间乙型板房所需板材和铝材的数量如下表所示：板房规格板材数量铝材数量甲型40 30 乙型60 20 请你根据以上信息，设计出甲、乙两种板房的搭建方案。19.现有不等式的两个性质:在不等式的两边都加上(或减去)同一个整式,不等号的方向不变;在不等式的两边都乘以同一个数(或整式),乘的数(或整式)为正时不等精品w o r d 可编辑资料-第 4 页，共 10 页-文档编码

17、:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6

18、Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码

19、:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6

20、Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码

21、:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6

22、Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码

23、:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4号的方向不变,乘的数(或整式)为负时不等号的方向改变.请解决以下两个问题:（1）利用性质比较2a与a的大小(a0);（2）利用性质比较2a与a的大小(a0).20.为支援雅安灾区，某学校计划用“义捐义卖”活动中筹集的部分资金用于购买A、B两种型号的学习用品共1000 件，已知 A型学习用品的单价为20 元，B型学习用品的单价为30 元.若购买这批学习用品共用了260

24、00 元，则购买A、B两种学习用品各多少件？若购买这批学习用品的钱不超过28000 元，则最多购买B型学习用品多少件？精品w o r d 可编辑资料-第 5 页，共 10 页-文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2

25、Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1

26、J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2

27、Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1

28、J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2

29、Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1

30、J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L421.为了落实党中央国务院提出的“惠民”政策，我市今年计划开发建设A、B 两种户型的“廉租房”共40 套，投入资金不超过200 万元，又不低于198 万元开发建设办公室经预算：一套A型

31、“廉租房”的造价为5.2 万元，一套B型“廉租房”的造价为4.8 万元（1）请问有几种开发建设方案？（2）哪种建设方案投入资金最少？最少资金是多少万元？精品w o r d 可编辑资料-第 6 页，共 10 页-文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P

32、8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W

33、6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P

34、8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W

35、6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P

36、8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W

37、6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4参考答案一、单选题（共有9 道小题）1.A2.A 3.B4.B5.D 6.B 7.B 8.B 9.A 二、填空题（共有6 道小题）10.2x11.21

38、x0，w随x的增大而增大当x=15 时，w最小，此时w最小=198 万元答：方案一即建设A型 15 套 B型 25 套投资最少，最少为198 万元精品w o r d 可编辑资料-第 10 页，共 10 页-文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I

39、6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6

40、HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I

41、6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6

42、HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I

43、6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4文档编码:CS9J4M2Z7W6 HM5C4X6Q4D1 ZZ1J5P8I6L4